3 years ago

Which expression is equivalent to 15x + 3?

Mathematics

1 answer:

adelina 88 [10]3 years ago

6 0

Answer:

the answer is 15x+3=3(5x+1)

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3 years ago

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WARRIOR [948]

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Please answer 7/10k=21 find x ill give you brainliest

algol [13]

Answer:

k=2.1

Step-by-step explanation:

7/10k=21

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3 years ago

Given that circumference of a circle is 44m. Calculate it's area

dimaraw [331]

Answer:

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Step-by-step explanation:

As Circumference of a circle is given by;

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$44=2\times \pi \times r\\\\\frac{44}{2\pi} =r\\\\\implies r=\frac{22}{\pi} =7.003 m$

Now to Calculate the Area of a Circle.

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$Area =\pi \times r^{2}\\ Area=\pi \times (7.003)^{2} \\Area=\pi \times 49.039\\Area=154.062m^{2}$

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2 years ago

If f(x)=-4x-5 and g(x)= 3-x, what is g(-4) +f(1)? A.-10 B.7 C.-9 D.-2

Kisachek [45]

Answer:

-2

Step-by-step explanation:

sustitue -4 into x for 3-x which would equal 7 because a negative times a negative equals positive. Then substitue 1 in for x in -4x-5 which would get you -9

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